Packing case for reception of tetra-hedron-shaped individual packings and an apparatus for piling up the individual packings in the packing case

ABSTRACT

A packing casing formed of a folding cardboard blank with rectangular, in particular square cross-section for reception of tetra-hedron-shaped individual packings, in particular soft packings, which comprises a blank including bottom- and coverflaps. Guide members are also provided. The bottom flaps form the bottom of the packing casing and defining perforations in the corner ranges for the passage through of the guide members controlling the piling up of individual packings. The individual packings have setting edges and are guided during this piling up and at least parts of the perforations are disposed tangentially to the setting edges.

United States Patent [191 Guhl [45] Aug. 27, 1974 PACKING CASE FORRECEPTION OF TETRA-HEDRON-SHAPED INDIVIDUAL PACKINGS AND AN APPARATUSFOR PILING UP THE INDIVIDUAL PACKINGS IN THE PACKING CASE [75] Inventor:Horst Guhl, Northeim, Germany [73] Assignee: Firma Thimm Wellpappen KG,

Northeim, Germany 22 Filed: July 7,1972

21 Appl. No.: 269,813

[30] Foreign Application Priority Data July 7, 1971 Germany 2133826 July7, 1971 Germany 7126064 May 29, I972 Germany 7220155 [52] US. Cl...229/37 R, 53/142, 229/38 [51] Int. Cl 865d 5/02 [58] Field of Search229/37, 38

[56] References Cited UNITED STATES PATENTS 2.293.187 8/l942 Becker229/38 2,435,878 2/1948 Dunning 229/37 R Primary Examiner-William 1.Price Assistant ExaminerDouglas B. Farrow Attorney, Agent, orFirm-Ernest G. Montague; Karl F. Ross; Herbert Dubno ABSTRACT A packingcasing formed of a folding cardboard blank with rectangular, inparticular square cross-section for reception of tetra-hedron-shapedindividual packings, in particular soft packings, which comprises ablank including bottomand cover-flaps. .Guide members are also provided.The bottom flaps form the bottom of the packing casing and definingperforations in the corner ranges for the passage through of the guidemembers controlling the piling up of individual packings. The individualpackings have setting edges and are guided during this piling up and atleast parts of the perforations are disposed tangentially to the settingedges.

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PACKING CASE FOR RECEPTION OF TETRA-HE-DRON-SHAPED INDIVIDUAL PACKINGSAND AN APPARATUS FOR PILING UP THE INDIVIDUAL PACKINGS IN THE PACKINGCASE The present invention relates to a packing container or casing gformed of a folding cardboard blank with rectangular, in particular,square cross section for reception of tetra-hedron-shaped individualpackings. In particular soft packings with bottom-and cover-flaps andshows simultaneously an apparatus for filling of the packing cases withtetra-hedron-shaped individual packings. The present invention shouldfind its application for the packing of a plurality oftetra-hedronshaped soft packings for milk, drink chocolate, fruitjuices,etc. In order to protect such soft packings during the transportation,six tetra-hedron-shaped packings are stored one after another disposedin a layer in the packing casings, whereupon then further layers of sixpackings are formed or stored, respectively. As an outer container orcasing until now either hexagonal hollow prism bodies have been used onthe bottom of which a prismatic cap is provided, which favors theindividual storing of the tetra-hedron-shaped packings. Likewise, it hasbeen also proposed to use packing cases with a rectangular or squareground face, yet difficulties are encountered thereby during piling upof the individual tetra-hedron-shaped soft packings.

In order to produce from such soft packing collection packings capableof transportation, already cases of cardboard have been proposed, whichconsist of a stamped blank, which is correspondingly folded together andglued together.

It is one object of the present invention to provide a packing case forreception of tetra-hedron-shaped individual packings and an apparatusfor piling up the individual packings in the packing case, wherein thearrangement of collecting packing for soft packings is made possible insimplest manner on the well known turn stile machines, whereby the softpackings are piled up and retained in regular manner. A packing casesuitable therefor, is created, which permits a guide of the individualsoft packing during the piling up in the packing case. Beyond that anapparatus is to be disclosed which permits in conjunction with thepacking case particularly simply and safe by the production of thecollection packing.

The packing casing of the above described type is in accordance with thepresent invention characterized by the fact, that the bottom flapsforming the bottom of the packing case has perforations in the cornerranges for the passage of guiding members controlling the piling up ofthe individual packings, whereby the perforations or part thereof aredisposed tangentially to the cap edges of the individual packings to beguided during piling up. By the thus formed packing case, it ispossible, to guide orderly the individual tetra-hedronshaped softpacking during the pilling up in the packing container and to supportthe same in the storing position. By this arrangement of the individualsoft packing there is obtained a defined end position relative to thefurther five soft packings, which joints are stored one after another ina layer. The individual packings are retained with their edges andcorners partly by the rectangularly or squarely shaped packing case orits wall cushions, respectively, and partly by the guide members of anapparatus disposed on the packing machine.

With particular advantage the bottom flaps are disposed also in thecorner ranges covering each other which are equipped with perforations.Two perforations each corresponding with each other of two adjacentbottom plates are arranged at least partly flush so that the guidemembers can extend from below through the bottom and in the inner spaceof a packing case. The perforations are thereby always arranged such,that the guide members with their guide face the cap edge engagestangentially four of the six soft packings disposed in the lowest layer.

With particular advantage protection flaps are provided at the bottomflaps for the formation of protection flaps cut to form perforations,which protection flaps fill out in the closing position the perforationssubstantially. These protection flaps perform a double function. In thefirst place they serve the protecting support of the individual softpacking in the case by arranging the same as a pillow between thesetting edge of the soft packing and the guide member of the auxili arydevice. On the other hand, however, the protection flaps are transformedby the pressure of the soft packing nearly completely into the closingposition so that the perforations are covered up.

The protection flaps have thereby bending edges, which are arrangedpointing to the individual packing. By this arrangement the openingdirection of each protection flap is secured in the inner space of thepacking case.

It is quite clear, that the protection flap can be disposed either onlyin the comer ranges of the bottom flaps or in addition in the range of acenter opening, in case such center opening finds application. Upon useof insert bottoms or pyramid-shaped supports, which are formed of thebottom flaps, the protection flaps are arranged only in the cornerranges of the bottom flaps.

With particular advantage two adjacent bottom flaps have in its erectedposition overlapping corner ranges with only one protection flap. Thispossibility is given, if the other bottom flap carries at the particularpoint a stamp out or if a corresponding recess open at the edge isprovided.

The bending edges of the protection flaps are disposed in or slightlyparellel to the supporting edge of the individual packing coordinatedthereto. This information results, on the one hand, in a particularlygood guiding and support of the set of the set off individual packing,and on the other hand permits the swinging of the protection flap intothe closing position. An interconnection between the setting edge of thesoft packing and of the protection flap does not occur.

It is to be understood, that within the range of a passage opening, inparticular in the center range of the bottom, a plurality of protectionflaps can be provided. Thus it is also possible to equip the passageopenings provided in the corner ranges to equip with a plurality ofprotection flaps.

For the guidance of the individual soft packings in the center range ofthe packing casing several different solution possibilities areavailable. Here a pyramidshaped folded insert, a pyramid-shaped settingface, or the like, can be applied, which insert is inserted either as aparticular part in the packing casing or is folded of parts of thebottom flaps. It is however, also possible that the bottom flaps overlapat least one corner range, are perforated at the outer edge for theformation of a center opening in the casing bottom for the passage of afurther guiding member for the individual packings which guiding memberis provided centrally and on the table of the packing device.

The thus formed packing casing has also at the bottom practically fiveperforations and in particular a larger in the bottom center and thealready described smaller perforation in each corner range. With thesefive perforations the packing container is mounted on the packingdevice, whereby a pyramid-like cover reaching through the centeropening, forms a central guidance member or the like, the support forthe part of the individual packing disposed in the container center,while pins, fingers or the like form guiding members, which reachthrough the perforations in the corner range, form during the fillingabutments for the setting edges of the individual packings. These are inconventional manner in the six-cycle inserted into the casing, whichcorrespondingly has a square ground face and accordingly a lower spacialextension inspite of a large reception capacity for individual packings.The once piled up individual packings support themselves also after theremoval of the filled packing case from the filling machine on eachother and on the outer walls of the packing casing, respectively. Theyretain their piled up arrangement. The total packing casing is to beproduced particularly economically due to its low material requirementand its simple form upon removal of additional inserts. It can betransported and stored easily due to its square or rectangular form,respectively and requires only little space. Suitably the side length ofthe container bottom face corresponds with the key width of a hexagonformed by the edges of the tetrahedron-shaped packing.

For the increase of the stability the bottom flaps reach outside therange of the center opening up to the center of the container bottom.They are overlapping at least one corner range, stamped out at the outeredge for the formation of the center opening in the container bottom onone side or U-shaped and equipped with the perforation at the cornerrange. The center opening in the casing bottom can also be formed as anarc of a circle of the superposed bottom flaps. Also the center openingis advantageously equipped with protection flaps.

The formation of collection packings for tetrahedron-shaped softpackings with the use of the shown packing container is possible inconnection with the apparatus or device in accordance with the presentinven tion in a simplest manner on the known turn stiles, which ischaracterized by a plate frame or the like to be provided on the tableof a filling machine, and on the upper side of the plate in the cornerrange of the packing casing, which is not filled by individual packingsand by guide members for aligning of the piled up individual packings,which project through the perforations in the container orcasing-bottom.

With particular advantage these guide members are formed by studs, pinsor the like. For the insertion in the required insertion of the packingcasings to be filled the plate or the frame, respectively, has its outerperiphery upright standing feed sheets or the like which are preferablyextended upwardly as much, that they grip and hold during the fillingcover strips engaging the outer walls of the packing casings. Theinsertion or mounting of the packing casing is thereby simplified, theguide sheets are bent outwardly at the outer end. The plate, the frameor the like, corresponds in its periphery with the base face of thepacing casing to be filled. The lifting of the filled container from theplate can easily be performed, by providing corresponding recesses atthe outer edge of the plate and of the frame, respectively, whichrecesses permit an undergrip of the container bottom.

The plate in accordance of the present invention forms a simpleauxiliary device, which can be mounted exchangeably without difficultyon the turn stile of the conventional filling machines. It is therebyalso possible depending thereby on the formation of the turn stile toprovide a plurality of such plates adjacent each other or in seriesrelative to each other. For this purpose the device in accordance withthe present invention has abutments, coupling parts or the like, whichpermit without change of the turn stile the mounting of the device in asimple manner. In the center of the plate or the frame, or the like, isa guide member formed as pyramid-shaped cover and projecting through thecenter opening of the bottom of the packing casing which guide membercarries at its upper side star like disposed feed sheets correspondingwith the position of the individual packings to be piled up.

With these and other objects in view which will become apparent in thefollowing detailed description, the present invention, which is shown byexample only, will be clearly understood in connection with theaccompanying drawings in which:

FIG. 1 is a top plan view of a blank of the packing cutboard in a firstembodiment;

FIG. 2 is top plan view of a bottom of an erected packing cutboard in asecond embodiment;

FIG. 3 is a further embodiment of the blank for the packing casing;

FIG. 4 is a top plan view of the device for setting up collectionpackings;

FIG. 5 is a top plan with an open packing container in accordance withFIG. 2 mounted on the device disclosed in FIG. 4;

FIG. 6 is a section of along the lines VI-Vl of FIG. 5;

FIG. 7 is a support of an individual packing on a guide member insection;

FIG. 8 is a top plan of the bottom of the packing casing in accordancewith FIG. 3;

FIG. 9 is a section along the lines IX-IX of FIG. 8;

FIG. 10 is a top plan view of the device in accordance disclosed in FIG.4 with mounted partly filled packing casings; and

FIG. 1 1 is a top plan view of the bottom of an erected packing casingwithout center opening.

Referring now to the drawings and in particular to FIG. 1, the packingcasing formed on the folding cardboard blank is shown in FIG. 1. Theside parts 10 of the blank are equipped with an end tongue 11 and theconventional cover tongues 12. Furthermore in the side walls 10recesses, perforations or the like can be provided, which form acarrying grip. It is also possible to provide here bearing bands ofcarrying tongues. The bottom flaps l3 and 13', respectively, of eachblank reach conventionally to beyond the casing center and have a bowshaped cut up 14 or 14'. In the corner regions or ranges of the bottomflaps 13 or 13', respectively there, are disposed perforations 15 and15, which come into cover during erection of the packing casing andduring folding of the bottom flaps.

Perforations 15 and 15' are disposed in this first embodiment along thediagonal of the bottom of the packing cardboard. The perforations 15 and15 are formed here as circular stampings. It is to be understood thatperforations 15 and 15' can assume also other forms. It is merelyessential that the perforations l5 and 15' of two adjacent bottom flaps13 and 13' cover each other at least partly.

Referring now again to the drawings and in particular to FIG. 2, afurther embodiment of said packing casing is shown in a top plan view.The perforations 15 are here however, disposed outside of the diagonal.The bottom flaps 13 form in the center a bottom center opening 16. Thisis not required, yet shows to be in most cases as suitable.

The blank shown in FIG. 3 of a further particularly advantageousembodiment of the packing casing has substantially the four side partsconnected together, on which a cover tongue 12 and one of the two bottomflaps 13 or 13 are provided. At one end is disposed within the range ofthe side parts 1 and of the cover tongue 12 and end tongue 11 forclosing of the packing casings.

Each bottom flap l3 and 13 has a perforation 15 for the passing throughof guide members for controlling the piling up of the soft packings,which guide members are covered here by the cut protection flaps 18. Thebottom flaps 13 have beyond that perforations 15, which can have theform of round holes.

Instead of the perforations 15 also, however, corresponding cutprotection flaps can be provided. The bottom flaps 13' have noparticular stamping or perforation. The periphery of the bottom flaps13' is arranged such, that at the corresponding point the material ofthe bottom flap 13 is removed.

About in the center range of the bottom formed by the bottom flap 13 and13' a center opening 16 can be disposed which is formed and covered bythe cut protection flaps 18. The protection flaps 18 can be pointedtowards each other with their free ends, as shown or as shown can betransformed for production reasons into a perforation.

Each cut protection flap l8 and 18' has a bending edge 19 and 19', whichpermits a swinging of the protection flap 18 and 18' from the plane ofthe bottom flap l3 and 13 into the inner space of the packing casing andagain back to the plane of the bottom. The protection flaps 18 and 18and the bending edges 19 and 19 are arranged such, that the bendingedges 19 and 19' are disposed either in or parallel to the correspondingcover edge 10 of the individual packing 17. By this arrangement also thepossibility presents itself, that the protection flap l8 and 18' due tothe pressure of the individual packing 17 move into the closingposition.

In FIG. 3 a casing blank is shown, the side parts of which are of equallength. Accordingly one deals here with a packing casing with a squareground face. It is, however, also possible to choose a rectangularground face, whereby the one side wall corresponds with the key side ofthe regular hexagon inserted by the individual packings 17, while theadjacent side parts have a length, which corresponds with the distanceof two oppositely disposed comers of the regular hexagon. Thearrangement of the protection flap l8 and of the perforations 15' can asshown take place in the diagonal at the bottom. This is, however, notnecessary. Essential is that the protection flaps l8 and perforations 15are arranged in the corner ranges of the bottom flap 13 and 13 such,that they are disposed partly or completely tangentially to the settingedges 20 of the individual packings 17. The protection flap 18 and theperforations 15 of two adjacent bottom flaps l3 and 13' are arrangedsuch, that they overlap each other in erected position of the packingcontainer at least partly. The arrangement of the protection flaps 18does not require the arrangement of protection flaps l8 and vice versa.Thus, it is by example, possible to arrange the protection flaps 18,however, to choose another guide of the individual packing 17 in thecenter range.

Referring now to FIG. 4 of the drawings, the device comprisessubstantially a plate 1 which has an opening 2 in its center, which isbridged over by a stay 3, on which a central guide member 4 is securedin the design as a pyramid shaped cover. From starting from the centeropening 2 slots 5 are provided which serve the mounting of the plate onthe turnstile of a filling machine.

At the outer sides of the plate 1, the latter is equipped with recesses6, which serve the under gripping of the filled packing casings to bemounted on the plate. Furthermore, at the corner of the plate 1 sitsupwardly reaching and on the top outwardly bent guide sheets 7, whichserve the insertion of the packing casings to be filled. Finally on theupper side of the plate 1 guide members 8 standing erected in the comerranges in form of studs or the like are provided which extend throughthe already described perforations 15 in the bottom of the packing case.

The central guide member 4 in the center of the plate 1 carries on itsupper side by example six guide ledges 9 which form an angle of degreesrelative to each other. The guide member 4 is only required then, if thepacking casing has a center opening 16.

As can be ascertained from FIGS. 5 and 6, the packing casing accordingto FIG. 2 is mounted on the device according to FIG. 4, which isdisposed on the filling machine. The packing casing is inserted with itsbottom pointing downwardly from above between the resilient feed sheets7. The cover ledges 12 are thereby brought into engagement with theoutside of the side parts 10 and retained by the guide sheets 7 in thisposition, so that the cover flaps 12 do not prevent the filling of theindividual packings 17. During mounting of the packing cardboard on thedevice of the filling machine, the guide members 8, which are hereformed by example, pin like, enter through the perforations 15 at thebottom flaps 13, so that they project in the inner space of the packingcasing. Now the conventional piling up of the individual packings on thefilling machine can take place. The individual packings 17 are broughtinto the packing container thereby one after another in the manner shownin FIG. 7, whereby four of the soft packings engage with their settingedge on the corresponding guide member 8, while the remaining twoindividual packings 17 are supported by the wall for the side parts 10,respectively, of the packing case.

The individual packings 17 are guided in the center of the layer formedby six individual packings through the pyramid shaped cover 4. Theindividual packings 17 are mounted with their points between the guidesheets 9. It is, however, understood, that instead of the pyramid shapedcover 4 of the device also a separate cover supported by example, by thecontainer bottom can be used. During the piling up, one individualpacking adjusts tightly to the other. Each individual packing 17 issafely retained in its relative position to the other individualpackings 17 of one layer. A displacement of the tetra-hedron-shaped softpacking is not possible. Since one deals with soft individual packings,which can easily be pressed in at the corners and edges or can bedeformed for a slight degree, respectively, the packing casing can haveeven a square ground face, in spite of the fact, that only the key widthof a regular hexagon and the distance of two oppositely disposed edgesare not equal. The guide studs 8 reaching into the inner space of thepacking casings take care of the fact that the individual packing to beinserted with its outside obliquely to the wall of the casing assumesthe right position to the remaining individual packings as this isindicated in principle by example, in FIG. 10.

On the lowermost layer of the six individual packings 17 can thenfurther individual packings be piled up in the formed triangular space,so that finally a collection packing is formed in which the individualpiled up packings retain each other and support each other, withoutcollapse of the pile. During removal of the filled packing containerfrom the device of the filling machine, the individual packings 17, ifat all, can be displaced only slightly and uniformly, since the guidemembers 8 are no more present. After the removal of the filled packingcasing from the device also the cover ledges 12 are freed again, so thatthe filled container can be closed in conventional manner.

In FIG. 8 a top plan view on the erected non-filled packing casing inaccordance with FIG. 3 is disclosed. It is apparent how in the cornerranges of the bottom flaps 13 and 13' or of the packing casing,respectively, a protection flap 18 for the passing through of the guidemembers 8 are disposed. The protection flaps 18 bring about aperforation in the center range, which perforation is determined for theinsert of the guide member 8. It is to be understood, that the bottomflaps l3 and 13' can be glued together such, that a flap foldingcapacity of the packing container and the erection thereof from the flapfolded position is made possible.

In FIG. 9 a section through the packing casing of FIG. 8 is disclosed,whereby the guide members 8 and 4 are indicated. A position has beenchosen in which the first individual packing 17 is stored in the packingcasing. It is visible how the protection fiap 18 is protectinglydisposed between a setting edge 20 of the individual packing 17 and theguide member 8, while the individual packing 17 is retained at the otherend by the guide member 4. The guide members 8 and 4 guide and supportthe individual packings 17 at least so long, until all six individualpackings which belong to one layer are deposited in the packing case.The guide members 8 and 4 can of course remain so long in the packingcontainer, until the latter is completely filled up. After the liftingof the filled packing container from the auxiliary device (not shown) onthe filling machine, which has the guide members 8 and 4, vary theindividual packings l7 slightly in their position, whereby theprotection flap l8 and finally also 18' can be transformed to theclosing position. It is thus, excluded that individual packing 17 byforeign bodies or by rubbing can be damaged during transportation.

. FIG. 10 shows the device in accordance with FIG. 4 on which thepacking container in accordance with FIGS. 2 or 5, respectively, aremounted, whereby the lower most layer of six individual packings 17 isstored. Four of the six individual packings 17 support themselves withtheir setting edges 20 on the guide members 8.

In FIG. 1 1 a further formation possibility of the packing container inaccordance with the invention is disclosed. This packing container orcasing has a rectangular ground face which approximately correspondswith the measurement of the regular hexagon, whereby, however, also thelength of the side walls can be slightly shortened or extended,respectively. For the guiding of the individual packings 17 in thecenter range a pyramid shaped setting face 21 is provided, which has sixsupporting faces for the six individual packings 17. The pyramid-shapedsetting face 21 can by example, form by particular folding and formationof bottom flaps or can consist also of a separate insertion bottom as itis known. Essential is here, that here also the protection flaps arecut, the bending lines 19 of which are disposed parallel to the settingedges 20 of the individual packings 17. The protection flaps 18 havehere a longitudinal design in order to guide and retain the settingedges 20 on a longer stroke. It is as a matter of course also possible,by the perforation 15 formed by the protection flap 18 to feed throughtwo guide members 8. In a variation, finally also each protection flap18 can be subdivided. As much as the bottom parts overlap each other inthe range of the protection flaps 18, is merely necessary, to provide aprotection flap 18 in a bottom flap, while the other bottom flap cancarry at the corresponding point a stamping out.

While I have disclosed several embodiments of the present invention, itis to be understood, that these embodiments are given by example onlyand not in a limiting sense.

I claim:

1. A packing casing formed of a folding cardboard blank withrectangular, in particular square crosssection for reception therein oftetrahedron-shaped individual packings, in particular soft packings,comprising a blank including bottom-and cover-flaps,

said bottom flaps folding over one another and cooperatively forming abottom of .said packing casing and said bottom flaps definingperforation means in corner regions thereof for the passage through ofguide members for controlling the piling up of individual packings, saidindividual packings having setting edges and being guided during thispiling up, and

at least parts of said perforation means being disposed tangentially tosaid setting edges.

2. The packing casing, as set forth in claim 1, wherein said bottomflaps are disposed and formed overlapping also in the corner rangesequipped with said perforation means, and

said perforation means corresponding with each other of two adjacentbottom flaps are disposed at least partly flush.

3. The packing casing, as set forth in claim l,'which include protectionflaps cut for the formation of said perforation means and provided onsaid bottom flaps, and

said protection flaps fill out substantially said perforation means intheir closing position. 4. The packing casing, as set forth in claim 3,wherein said protection flaps include bending edges, the latter beingdisposed pointing towards said individual packing.

5. The packing casing, as set forth in claim 4, wherein two adjacent ofsaid bottom flaps in said corner ranges over-lapping in an ordered statehave one protection flap only.

6. The packing casing, as set forth in claim 4, wherein said bendingedges of said protection flaps are at least slightly parallel to thecorresponding setting edge of said individual packing.

7. The packing casing, as set forth in claim 6, wherein a plurality ofprotection flaps are disposed within the range of one of saidperforation means. 8. The packing casing, as set forth in claim 7,wherein said bottom flaps extend outside the range of said centeropening beyond the center of said casing bottom.

10. The packing casing, as set forth in claim 8,

wherein said bottom flaps are stamped out at least on one side and areperforated in said corner region. 11. The packing casing, as set forthin claim 10,

wherein said center opening in said casing opening is defined by acut-out of circular arc shape of said bottom flaps being superposedrelative to each other.

12. The packing casing, as set forth in claim 11,

wherein said center opening is equipped with said protection flaps.

1. A packing casing formed of a folding cardboard blank withrectangular, in particular square cross-section for reception therein oftetrahedron-shaped individual packings, in particular soft packings,comprising a blank including bottom-and cover-flaps, said bottom flapsfolding over one another and cooperatively forming a bottom of saidpacking casing and said bottom flaps defining perforation means incorner regions thereof for the passage through of guide members forcontrolling the piling up of individual packings, said individualpackings having setting edges and being guiDed during this piling up,and at least parts of said perforation means being disposed tangentiallyto said setting edges.
 2. The packing casing, as set forth in claim 1,wherein said bottom flaps are disposed and formed overlapping also inthe corner ranges equipped with said perforation means, and saidperforation means corresponding with each other of two adjacent bottomflaps are disposed at least partly flush.
 3. The packing casing, as setforth in claim 1, which include protection flaps cut for the formationof said perforation means and provided on said bottom flaps, and saidprotection flaps fill out substantially said perforation means in theirclosing position.
 4. The packing casing, as set forth in claim 3,wherein said protection flaps include bending edges, the latter beingdisposed pointing towards said individual packing.
 5. The packingcasing, as set forth in claim 4, wherein two adjacent of said bottomflaps in said corner ranges over-lapping in an ordered state have oneprotection flap only.
 6. The packing casing, as set forth in claim 4,wherein said bending edges of said protection flaps are at leastslightly parallel to the corresponding setting edge of said individualpacking.
 7. The packing casing, as set forth in claim 6, wherein aplurality of protection flaps are disposed within the range of one ofsaid perforation means.
 8. The packing casing, as set forth in claim 7,wherein said bottom flaps are perforated at least covering up a cornerrange at the outer edge for the formation of a center opening in thecasing bottom for the passage of an additional central guiding memberfor said individual packings.
 9. The packing casing, as set forth inclaim 8, wherein said bottom flaps extend outside the range of saidcenter opening beyond the center of said casing bottom.
 10. The packingcasing, as set forth in claim 8, wherein said bottom flaps are stampedout at least on one side and are perforated in said corner region. 11.The packing casing, as set forth in claim 10, wherein said centeropening in said casing opening is defined by a cut-out of circular arcshape of said bottom flaps being superposed relative to each other. 12.The packing casing, as set forth in claim 11, wherein said centeropening is equipped with said protection flaps.